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Finding the Fourth Proportional to 533.11, 735.69 and 300.23

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Solution

The fourth proportional to 533.11, 735.69 and 300.23 is: 414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.11 : 735.69 = 300.23 : x
  2. Step 2: Convert to fraction form
    533.11/735.69 = 300.23/x
  3. Step 3: Cross multiply
    533.11x = 735.69 × 300.23
  4. Step 4: Simplify right side
    533.11x = 220,879.71
  5. Step 5: Solve for x
    x = 220,879.71/533.11
  6. Step 6: Final answer
    x = 414.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.